package _4lists.src.queue;


import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.List;

/**
 * @className: Tree
 * @description:
 * @author: myself
 * @date: 2025/7/24 10:24
 * @version: 0.1
 * @since: JDK17
 */

class TreeNode {
    int val;
    TreeNode left;
    TreeNode right;
    TreeNode() {}
    TreeNode(int val) { this.val = val; }
    TreeNode(int val, TreeNode left, TreeNode right) {
       this.val = val;
       this.left = left;
       this.right = right;
     }
 }
public class Tree {
    public static void main(String[] args) {
        ArrayDeque<Integer> qu = new ArrayDeque<>();
    }
}
